Pith Number

pith:Y4C5EGT5

pith:2013:Y4C5EGT5SSCRCWALFEC2UOZPWE

not attested not anchored not stored refs pending

Nontrivial Deformation of a Trivial Bundle

Bartosz Zieli\'nski, Piotr M. Hajac

arxiv:1310.7664 v2 · 2013-10-29 · math.QA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4C5EGT5SSCRCWALFEC2UOZPWE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:55:20.432034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c705d21a7d948511580b2905aa3b2fb121e9168092997abb03b8a249a3358574

Aliases

arxiv: 1310.7664 · arxiv_version: 1310.7664v2 · doi: 10.48550/arxiv.1310.7664 · pith_short_12: Y4C5EGT5SSCR · pith_short_16: Y4C5EGT5SSCRCWAL · pith_short_8: Y4C5EGT5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y4C5EGT5SSCRCWALFEC2UOZPWE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c705d21a7d948511580b2905aa3b2fb121e9168092997abb03b8a249a3358574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba0e8075cceef01f369533283cb7fbe05e59bef87ec49d436349bc33a13d8099",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-10-29T02:23:03Z",
    "title_canon_sha256": "48e2718860c5da013d7fc11edce9dacef3a561f9099ed2c38131bab96880eb6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7664",
    "kind": "arxiv",
    "version": 2
  }
}